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Burning Velocities Of Various Premixed Turbulent Propane Flames On Open Burners
Download Burning Velocities Of Various Premixed Turbulent Propane Flames On Open Burners full books in PDF, epub, and Kindle. Read online Burning Velocities Of Various Premixed Turbulent Propane Flames On Open Burners ebook anywhere anytime directly on your device. Fast Download speed and no annoying ads. We cannot guarantee that every ebooks is available!
Book Synopsis Burning Velocities of Various Premixed Turbulent Propane Flames on Open Burners by : Paul Wagner
Download or read book Burning Velocities of Various Premixed Turbulent Propane Flames on Open Burners written by Paul Wagner and published by . This book was released on 1955 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements were made of the axial fluctuating-velocity component of the turbulent stream issuing from the burner port. The intensity of turbulence appeared to be dependent upon the nature of the diluent. Consideration of the data in terms of the measured turbulence parameters was a small over-all improvement. However, this change was in the direction of better correlation.
Book Synopsis Technical Note - National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
Download or read book Technical Note - National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1957 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Basic Considerations in the Combustion of Hydrocarbon Fuels with Air by : Lewis Flight Propulsion Laboratory. Propulsion Chemistry Division
Download or read book Basic Considerations in the Combustion of Hydrocarbon Fuels with Air written by Lewis Flight Propulsion Laboratory. Propulsion Chemistry Division and published by . This book was released on 1958 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index of NACA Technical Publications by : United States. National Advisory Committee for Aeronautics
Download or read book Index of NACA Technical Publications written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1956 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Space Heating Rates for Some Premixed Turbulent Propane-air Flames by : Burton D. Fine
Download or read book Space Heating Rates for Some Premixed Turbulent Propane-air Flames written by Burton D. Fine and published by . This book was released on 1956 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements of space heating rate can yield information that is useful in characterizing turbulent combustion. For Bunsen burner flames stabilized over a field of pipe-induced turbulence, the space heating rate decreased with increasing linear flow and burner diameter, and was independent of pilot conditions. Calculated space heating rates, at 1-atmosphere pressure, were in the range of 20,000,000 to 60,000,000 Btu per cubic foot per hour. Turbulent burning velocities over the same flow range were correlated by linear velocity at constant burner diameter, but the variation with burner diameter could not be expressed by a simple correlation.
Download or read book Technical Note written by and published by . This book was released on 1955 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Information Circular written by and published by . This book was released on 1968 with total page 1140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Helium written by Carla W. Cherry and published by . This book was released on 1968 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Annual Report - National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
Download or read book Annual Report - National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1957 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes the Committee's Technical reports no. 1-1058, reprinted in v. 1-37.
Book Synopsis Turbulent Combustion by : Norbert Peters
Download or read book Turbulent Combustion written by Norbert Peters and published by Cambridge University Press. This book was released on 2000-08-15 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: The combustion of fossil fuels remains a key technology for the foreseeable future. It is therefore important that we understand the mechanisms of combustion and, in particular, the role of turbulence within this process. Combustion always takes place within a turbulent flow field for two reasons: turbulence increases the mixing process and enhances combustion, but at the same time combustion releases heat which generates flow instability through buoyancy, thus enhancing the transition to turbulence. The four chapters of this book present a thorough introduction to the field of turbulent combustion. After an overview of modeling approaches, the three remaining chapters consider the three distinct cases of premixed, non-premixed, and partially premixed combustion, respectively. This book will be of value to researchers and students of engineering and applied mathematics by demonstrating the current theories of turbulent combustion within a unified presentation of the field.
Book Synopsis Turbulent Premixed Flames by : Nedunchezhian Swaminathan
Download or read book Turbulent Premixed Flames written by Nedunchezhian Swaminathan and published by Cambridge University Press. This book was released on 2011-04-25 with total page 447 pages. Available in PDF, EPUB and Kindle. Book excerpt: A work on turbulent premixed combustion is important because of increased concern about the environmental impact of combustion and the search for new combustion concepts and technologies. An improved understanding of lean fuel turbulent premixed flames must play a central role in the fundamental science of these new concepts. Lean premixed flames have the potential to offer ultra-low emission levels, but they are notoriously susceptible to combustion oscillations. Thus, sophisticated control measures are inevitably required. The editors' intent is to set out the modeling aspects in the field of turbulent premixed combustion. Good progress has been made on this topic, and this cohesive volume contains contributions from international experts on various subtopics of the lean premixed flame problem.
Book Synopsis Tables of Characteristic Functions for Solving Boundary-value Problems of the Wave Equation with Application to Supersonic Interference by : Jack Norman Nielsen
Download or read book Tables of Characteristic Functions for Solving Boundary-value Problems of the Wave Equation with Application to Supersonic Interference written by Jack Norman Nielsen and published by . This book was released on 1957 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tables are presented containing 69,000 values of a set of characteristic functions which first arose in problems of supersonic wing-body interference. The tables are useful in problems of supersonic flow involving aerodynamic shapes which are wholly or in part quasi-cylinders of nearly circular cross section. A number of uses are described in the aerodynamics of bodies alone, body-body or shock-body interference, wing-body interference, the vortex-panel interference. Three illustrative examples are worked out in detail. First, the pressure field due to fuselage indentation is calculated and presented in a form independent of Mach number. Secondly, the tables are applied to a problem involving a previously unpublished solution to the Navier-Stokes equations; namely, the boundary-layer profiles of a circular cylinder moved impulsively with a constant axial force in a viscous incompressible fluid. In the final example, the wave drag of corrugated circular cylinders is calculated as a function of the number of corrugations and their wave length. Several nonaerodynamic applications are pointed out in the fields of acoustics and heat conduction. Generally speaking, the tables are applicable to boundary-value problems of the second kind involving the wave equation in three dimensions with approximately circular cylindrical boundaries or involving the unsteady heat-conduction equation in two space dimensions with nearly circular boundaries.
Book Synopsis Effect of Pneumatic De-icers and Ice Formations on Aerodynamic Characteristics of an Airfoil by : Dean T. Bowden
Download or read book Effect of Pneumatic De-icers and Ice Formations on Aerodynamic Characteristics of an Airfoil written by Dean T. Bowden and published by . This book was released on 1956 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements of lift, drag, and pitching moment of an NACA 0011 airfoil were made in icing using two types of pneumatic de-icers, one having spanwise inflatable tubes and the other having chordwise tubes. Ice remaining after inflation of the spanwise-tube de-icer increased airfoil section drag 7 to 37 percent for 0 to 4.6 degrees angle of attack over the ranges of airspeed, total air temperature, liquid-water content, and cycle times covered. This drag increase became constant after a few de-icing cycles. Drag increases due to ice remaining on the chordwise-tube de-icer were similar to those for the spanwise-tube de-icer. Minimum airfoil drag in icing (averaged over a de-icing cycle) was usually obtained with a short (about i min) de-icing cycle.
Book Synopsis Report by : United States. National Advisory Committee for Aeronautics
Download or read book Report written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1958 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Determination of Longitudinal Stability and Control Characteristics from Free-flight Model Tests with Results at Transonic Speeds for Three Airplane Configurations by : Clarence L. Gills
Download or read book Determination of Longitudinal Stability and Control Characteristics from Free-flight Model Tests with Results at Transonic Speeds for Three Airplane Configurations written by Clarence L. Gills and published by . This book was released on 1957 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Report written by and published by . This book was released on 1958 with total page 1138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation of the Dynamics and Structure of Lean-premixed Turbulent Combustion by : Frank Tat Cheong Yuen
Download or read book Experimental Investigation of the Dynamics and Structure of Lean-premixed Turbulent Combustion written by Frank Tat Cheong Yuen and published by . This book was released on 2009 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulent premixed propane/air and methane/air flames were studied using planar Rayleigh scattering and particle image velocimetry on a stabilized Bunsen type burner. The fuel-air equivalence ratio was varied from &phis; = 0:7 to 1.0 for propane flames, and from &phis; = 0:6 to 1.0 for methane flames. The non-dimensional turbulence intensity, u'/ SL (ratio of fluctuation velocity to laminar burning velocity), covered the range from 3 to 24, equivalent to conditions of corrugated flamelets and thin reaction zones regimes. Temperature gradients decreased with the increasing u'/SL and levelled off beyond u'/SL > 10 for both propane and methane flames. Flame front thickness increased slightly as u'/SL increased for both mixtures, although the thickness increase was more noticeable for propane flames, which meant the thermal flame front structure was being thickened. A zone of higher temperature was observed on the average temperature profile in the preheat zone of the flame front as well as some instantaneous temperature profiles at the highest u'/SL. Curvature probability density functions were similar to the Gaussian distribution at all u'/ SL for both mixtures and for all the flame sections. The mean curvature values decreased as a function of u'/ SL and approached zero. Flame front thickness was smaller when evaluated at flame front locations with zero curvature than that with curvature. Temperature gradients and FSD were larger when the flame curvature was zero. The combined thickness and FSD data suggest that the curvature effect is more dominant than that of the stretch by turbulent eddies during flame propagation. Integrated flame surface density for both propane and methane flames exhibited no dependance on u'/S L regardless of the FSD method used for evaluation. This observation implies that flame surface area may not be the dominant factor in increasing the turbulent burning velocity and the flamelet assumption may not be valid under the conditions studied. Dkappa term, the product of diffusivity evaluated at conditions studied and the flame front curvature, was a magnitude smaller than or the same magnitude as the laminar burning velocity.
